/**
  * Store a newly created resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @return \Illuminate\Http\Response
  */
 public function store(CouponRequest $request)
 {
     $data = $request->all();
     //获取请求过来的数据
     $data['updated'] = \Carbon::now();
     $coupon = Coupon::create($data);
     if ($coupon->id) {
         //添加成功
         return redirect()->route('admin.managecoupon.index')->with('message', '成功发布新优惠!');
     } else {
         //添加失败
         return redirect()->back()->withInput($request->input())->with('fail', '数据库操作返回异常!');
     }
 }